Famous Patents
The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.
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| Number | Title | Issue Date |
| 7132003 | Air clean apparatus An air clean apparatus including an air intake intended to be located at a lower position in a corner of a room and an air outlet intended to be located at an upper position in the corner of the room, and at least a filter and a blower both inside the air clean appa... | 11/07/2006 |
| 6179358 | Mobile hospital system A mobile hospital system can be moved by tractors, helicopters, railway locomotives and/or sea vessels and provide comprehensive diagnoses and medical treatments to casualties and patients. A plurality of container wagons functionally operate as part of a... | 01/30/2001 |
